Ten Achillea species compared through exact Wikimedia Commons photographs of flowers and foliage. An editorial selection, not a scientific ranking. Original video contributions: CC BY-SA 4.0. Individual photographs retain the licences and credits listed in attribution; public-domain and CC0 photographs remain so. Photograph credits: 1. File:Achillea millefolium (bright).jpg; SAplants; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AAchillea_millefolium_%28bright%29.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 2. File:Achillea ptarmica - võsa-raudrohi.jpg; Ivar Leidus; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AAchillea_ptarmica_-_v%C3%B5sa-raudrohi.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 3. File:Achillea filipendula capítulos.jpg; Pablo Alberto Salguero Quiles (P40p); CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File%3AAchillea_filipendula_cap%C3%ADtulos.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 4. File:Achillea tomentosa in Dunedin Botanic Garden 03.jpg; Krzysztof Golik; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AAchillea_tomentosa_in_Dunedin_Botanic_Garden_03.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 5. File:Asteraceae - Achillea clavennae.jpg; Hectonichus; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AAsteraceae_-_Achillea_clavennae.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 6. File:Achillea ageratifolia 2.JPG; Ghislain118 http://www.fleurs-des-montagnes.net; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AAchillea_ageratifolia_2.JPG; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 7. File:Achillea ageratum - Botanischer Garten Mainz IMG 5620.JPG; Oceancetaceen - Alice Chodura; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AAchillea_ageratum_-_Botanischer_Garten_Mainz_IMG_5620.JPG; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 8. File:Achillea moschata.jpg; User:Tigerente; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File%3AAchillea_moschata.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 9. File:Achillea atrata (Schwarzrand-Schafgarbe) IMG 4827.JPG; HermannSchachner; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File%3AAchillea_atrata_%28Schwarzrand-Schafgarbe%29_IMG_4827.JPG; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 10. File:Achillea macrophylla 2 RF.jpg; Robert Flogaus-Faust; CC BY 4.0; https://creativecommons.org/licenses/by/4.0; https://commons.wikimedia.org/wiki/File%3AAchillea_macrophylla_2_RF.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence.